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What do people use for a shelf-stable backup (lemmy.nz)

submitted 3 days ago by Dave@lemmy.nz to c/selfhosted@lemmy.world

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I have backups on a backup hard drive and also synced to B2, but I am thinking about backing up to some format to put in the cupboard.

The issue I see is that if I don't have a catastrophic failure and instead just accidentally delete some files one day while organising and don't realise, at some point the oldest backup state is removed and the files are gone.

The other thing is if I get hit by a bus and no one can work out how to decrypt a backup or whatever.

So I'm thinking of a plain old unencrypted copy of photos etc that anyone could find and use. Bonus points if I can just do a new CD or whatever each year with additions.

I have about 700GB of photos and videos which is the main content I'm concerned about. Do people use DVDs for this or is there something bigger? I am adding 60GB or more each year, would be nice to do one annual addition or something like that.

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[–] admin@sh.itjust.works 2 points 1 day ago* (last edited 1 day ago)

Basically, I specifically want cold storage, and not cloud. I will only add, not delete from it. And I don't want it encrypted.

I have a client with a photographic studio. To give you an estimate, his data is around 14TB of mostly camera pictures with approximately 20 years or history and the owner believe it or not, relies on multiple external hard drives for cold storage, he has a 2TB Seagate thats like 2011-2012 old which still works.

To put in a cupboard tho, M disc is your best bet.